5739426081 has 9 divisors (see below), whose sum is σ = 8290610419. Its totient is φ = 3826132536.

The previous prime is 5739426067. The next prime is 5739426097. The reversal of 5739426081 is 1806249375.

The square root of 5739426081 is 75759.

It is a perfect power (a square), and thus also a powerful number.

5739426081 is a `hidden beast` number, since 5 + 7 + 39 + 4 + 2 + 608 + 1 = 666.

5739426081 is digitally balanced in base 3 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5479700625 + 259725456 = 74025^2 + 16116^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-5739426081 is a prime.

It is a super-2 number, since 2×5739426081² = 65882023478526037122, which contains 22 as substring.

It is a Duffinian number.

5739426081 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (5739426031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214651 + ... + 239903.

It is a 1-persistent number, because it is pandigital, but 2⋅5739426081 = 11478852162 is not.

Almost surely, 2^5739426081 is an apocalyptic number.

5739426081 is the 75759-th square number.

5739426081 is the 37880-th centered octagonal number.

It is an amenable number.

5739426081 is a deficient number, since it is larger than the sum of its proper divisors (2551184338).

5739426081 is an frugal number, since it uses more digits than its factorization.

5739426081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50512 (or 25256 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 5739426081 is about 1790.4250918664.

The spelling of 5739426081 in words is "five billion, seven hundred thirty-nine million, four hundred twenty-six thousand, eighty-one".